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Blood volume is the volume of blood (both red blood cells and plasma) in a person's circulatory system. A typical adult has a blood volume of approximately between 4.7 and 5 litres, with females generally having less blood volume than males. . Blood volume is regulated by the kidneys.
Diagnostic technologies are commercially available to measure human blood volume. A recent radionucleotide study called BVA-100, Blood Volume Analysis is the only FDA approved instrument that provides a measure of Red Blood Cells and Plasma with 98% accuracy.
Blood volume measurement is indicated for the diagnosis and treatment patients suffering from Congestive Heart Failure, Chronic Hypertension, Renal Failure and Critical Care.
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